CN103862731A - Rectangular pyramid structural Cf/SiC-ZrC bionic gradient dot matrix composite material flat plate and preparation method thereof - Google Patents
Rectangular pyramid structural Cf/SiC-ZrC bionic gradient dot matrix composite material flat plate and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a rectangular pyramid structural Cf/SiC-ZrC bionic gradient dot matrix composite material flat plate and a preparation method thereof, and relates to a dot matrix gradient composite material and a preparation method thereof. The technical problems that the conventional C/SiC dot matrix structure composite material is low in anti-oxidization ablation performance under an extreme environment for a long time and low in chemical stability under a high-temperature environment are solved. The rectangular pyramid structural Cf/SiC-ZrC bionic gradient dot matrix composite material flat plate consists of an upper panel, a lower panel and rectangular pyramid unit cells which are gradiently arranged between the upper panel and the lower panel around a dot matrix core. The preparation method comprises the steps of inserting carbon fibers in soaking liquid obtained by mixing polycarbosilane and the like into a rectangular pyramid structural framework prepared by a carbon fiber cloth technology for the soaking liquid, then soaking the framework in the same soaking liquid, and performing solidification and cracking treatment. The rectangular pyramid structural Cf/SiC-ZrC bionic gradient dot matrix composite material flat plate is applied to the fields of noise reduction, electromagnetic radiation shielding, impact resistance, heat insulation, heat conduction reduction and oxidization burning resistance.
Description
Technical field
The present invention relates to dot matrix gradient composites and preparation method thereof.
Background technology
Near space hypersonic flying instrument respond short, defence of time and the feature such as penetraton probability is high, flying speed is fast, long-range strike is accurate, become forward-looking, strategic weaponry, causes the great attention of the military of various countries.Each military power, all using the research and development of hypersonic aircraft and relevant weapon as national security strategy target, is the main developing direction of world's field of aerospace in the world.Hypersonic aircraft aloft will keep for a long time, and high-speed state of flight, can bear severe flight thermal environment and aerodynamic loading, requires it to adopt material to have lightweight, load, solar heat protection, the function such as heat insulation simultaneously.Lattice material is the ultralight Ordered Materials of one of analogue crystals material space lattice structure, in this structure, the space in lattice material rack be not used for carrying filler, only have connecting rod to play the supporting role to lattice material entirety.Such design, in ensureing the specific stiffness and specific strength of material, has been saved a large amount of quality, and these characteristics make lattice material have the prospect of large-scale application aspect super speed vehicle thermal protection system.
C/SiC lattice structure composite has lower quality and good mechanical behavior under high temperature, but the temperature extremes of its use is 1600 DEG C, 1200 DEG C time, will start the problem that occurs that performance lost efficacy gradually because of material oxidation, and the Aerodynamic Heating of super speed vehicle can produce at aircraft surface the high temperature of 2000 DEG C, therefore need further to improve serviceability temperature and the oxidation resistance of lattice material.
Summary of the invention
The present invention is poor in the anti-oxidant ablation property of long-time extreme environment in order to solve existing C/SiC lattice structure composite, and the technical problem of poor chemical stability under hot environment, provides a kind of rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board and preparation method thereof.
Rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board, by top panel, lower panel and carry out with dot matrix fuse the rectangular pyramid cell element that arrangement of gradients forms form between upper and lower panel, described top panel and lower panel are by C
fthe plane that/SiC-ZrC composite forms, gradient dot matrix fuse is by C
fthe rod member that/SiC-ZrC composite forms, the dot matrix fuse between top panel and lower panel is arrangement of gradients.The granularity of ZrC is 1.20 μ m.
Rectangular pyramid configuration C
fthe preparation method of the bionical gradient lattice composite material of/SiC-ZrC flat board, specifically completes according to the following steps:
One, Polycarbosilane, tetrabutyl zirconate, divinylbenzene, dimethylbenzene and oxolane are mixed, obtain maceration extract; Wherein, the mass ratio of divinylbenzene and Polycarbosilane is 0.4:1, and the mass ratio of dimethylbenzene and Polycarbosilane is 0.1:1, and the mass ratio of oxolane and Polycarbosilane is 2:1, and the mass ratio of tetrabutyl zirconate and Polycarbosilane is 1:1;
Two, in carbon cloth I, beat m capable × a n row array through-hole, the carbon cloth I that obtains getting through hole; In carbon cloth II, beat (m+1) OK × (n+1) row array through-hole, the carbon cloth II that obtains getting through hole; The through hole of getting through the 1st row the 1st row in the array through-hole in the carbon cloth I in hole is A
11, the through hole of getting through the 1st row the 2nd row in the array through-hole in the carbon cloth I in hole is A
12, by that analogy, the through hole of getting through the 1st row j row in the array through-hole in the carbon cloth I in hole is A
1j; The through hole of getting through the 2nd row the 1st row in the array through-hole in the carbon cloth I in hole is A
21, by that analogy, the through hole of getting through capable the 1st row of i in the array through-hole in the carbon cloth I in hole is A
i1, in like manner, the through hole of getting through the capable j row of i in the array through-hole in the carbon cloth I in hole is A
ij; The through hole of getting through the 1st row the 1st row in the array through-hole in the carbon cloth II in hole is B
11, the through hole of getting through the 1st row the 2nd row in the array through-hole in the carbon cloth II in hole is B
12, by that analogy, the through hole of getting through the 1st row j row in the array through-hole in the carbon cloth II in hole is B
1j; The through hole of getting through the 2nd row the 1st row in the array through-hole in the carbon cloth II in hole is B
21, by that analogy, the through hole of getting through capable the 1st row of i in the array through-hole in the carbon cloth II in hole is B
i1, the through hole of getting through the capable j row of i in the array through-hole in the carbon cloth II in hole is B
ij, the through hole of getting through (i+1) row (j+1) row in the array through-hole in the carbon cloth II in hole is B
(i+1) (j+1); Wherein, get through in the direction that the array through-hole in the carbon cloth I in hole is expert at A
(m/2+1) (n/2+1)centered by, arrange with Geometric Sequence form taking q as spacing to row both sides, the centre-to-centre spacing of getting through array through-hole every two the adjacent through holes in the direction of row in the carbon cloth I in hole all equates, each array through-hole of getting through in the carbon cloth II in hole is to determine as corresponding with every four square centers taking the through hole of square formal distribution in carbon cloth I, arranged evenly to row and column successively, get through the through hole A of hole carbon cloth I
11drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
11, B
12, B
21and B
22form foursquare in the heart, get through the through hole A of hole carbon cloth I
12drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
12, B
13, B
22and B
23form foursquare in the heart, by that analogy, get through the through hole A of hole carbon cloth I
1jdrop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
1j, B
1 (j+1), B
2jand B
2 (j+1)form foursquare in the heart, get through the through hole A of hole carbon cloth I
21drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
21, B
22, B
31and B
32form foursquare in the heart, by that analogy, get through the through hole A of hole carbon cloth I
i1drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
i1, B
i2, B
(i+1) 1and B
(i+1) 2form foursquare in the heart, in like manner, get through the through hole A of hole carbon cloth I
ijdrop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
ij, B
i (j+1), B
(i+1) jand B
(i+1) (j+1)form foursquare in the heart, described m>=2, n>=2, i>=1 and i≤m, j>=1 and j≤n, a is defined as getting through in the direction that the array through-hole in the carbon cloth I in hole is expert at A
(m/2+1) (n/2+1)centered by any one side arrange through-hole spacing distance, wherein a
n+1/ a
n=q, n>=1, q>1, all through holes are identical through hole footpath, and logical pore size is 1mm～3mm, and the centre-to-centre spacing of getting through array through-hole every two the adjacent through holes in the direction of row in the carbon cloth I in hole is 26mm～30mm;
Three, by the carbon cloth I of getting through hole obtaining in step 2 and the carbon cloth II of getting through hole, put into respectively maceration extract that step 1 obtains under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, obtain dipping get through hole carbon cloth I and dipping get through hole carbon cloth II;
Four, carbon fiber is put into the maceration extract that step 1 obtains, under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, then, by the carbon fiber knit bunchy after dipping, obtains the carbon fiber bundle of dipping;
Five, by dipping get through hole carbon cloth I and dipping get through the parallel placement of hole carbon cloth II, the spacing of getting through hole carbon cloth I of getting through hole carbon cloth II and dipping of dipping is 40mm～60mm, wherein, the through hole A that gets through hole carbon cloth I of dipping
11at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
11, B
12, B
21and B
22form foursquare in the heart, the through hole A that gets through hole carbon cloth I of dipping
12at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
12, B
13, B
22and B
23form foursquare in the heart, by that analogy, the through hole A that gets through hole carbon cloth I of dipping
1jat the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
1j, B
1 (j+1), B
2jand B
2 (j+1)form foursquare in the heart, the through hole A that gets through hole carbon cloth I of dipping
21at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
21, B
22, B
31and B
32form foursquare in the heart, by that analogy, the through hole A that gets through hole carbon cloth I of dipping
i1at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
i1, B
i2, B
(i+1) 1and B
(i+1) 2form foursquare in the heart, in like manner, the through hole A that gets through hole carbon cloth I of dipping
ijat the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
ij, B
i (j+1), B
(i+1) jand B
(i+1) (j+1)form foursquare in the heart;
The carbon fiber bundle of the dipping that six, employing step 4 obtains is as connecting material, by the dipping by placing in step 5 get through hole carbon cloth I and dipping get through hole carbon cloth II carry out " Z " word intert be connected, make the carbon fiber bundle of dipping at the rectangular pyramid cell element that forms arrangement of gradients between the carbon cloth II of hole of getting through of getting through hole carbon cloth I and dipping of dipping, obtain rectangular pyramid configuration C
fthe skeleton of the bionical gradient lattice composite material of/SiC-ZrC;
Seven, separately get carbon cloth, be cut into carbon cloth I and the equal-sized size of hole carbon cloth II in size and step 6, put into the maceration extract that step 1 obtains, under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, obtains the carbon cloth flooding;
Eight, obtain rectangular pyramid configuration C in step 6
fthe outer surface of getting through hole carbon cloth II of getting through hole carbon cloth I and dipping of the dipping of the skeleton of the bionical gradient lattice composite material of/the SiC-ZrC carbon cloth that upper step 7 obtains that tiles respectively, then, at 130 DEG C～140 DEG C, the dipping of tiling carbon cloth the outer surface of getting through hole carbon cloth II of dipping of getting through hole carbon cloth I and tiling carbon cloth apply respectively the mechanical pressure of 1MPa～3MPa, solidify 4h～8h, afterwards, put into vacuum drying oven, being evacuated to vacuum is less than after 0.001MPa, passing into nitrogen to vacuum is 0.05MPa～0.1MPa again, heating rate with 10 DEG C/min～20 DEG C/min is warming up to 1100 DEG C～1300 DEG C from room temperature, and be incubated 10min～60min, obtain rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC head product,
Nine, dipping, curing, cracking processing: by rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC head product is put into maceration extract that step 1 obtains under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, put into drying baker, at 110 DEG C～160 DEG C, solidify 4h～8h, then, put into vacuum drying oven, being evacuated to vacuum is less than after 0.001MPa, passing into nitrogen to vacuum is 0.05MPa～0.1MPa again, heating rate with 10 DEG C/min～20 DEG C/min is warming up to 1100 DEG C～1300 DEG C from room temperature, and is incubated 10min～60min, obtains rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC intermediate;
Ten, rectangular pyramid configuration C step 9 being obtained
fthe dipping of the bionical gradient lattice composite material of/SiC-ZrC intermediate repeating step nine, curing, cracking processing operation, until rectangular pyramid configuration C
fwhen the bionical gradient lattice composite material of/SiC-ZrC intermediate is less than 1% with respect to increasing weight before with reprocessing operation after reprocessing operation, obtain rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board.
The present invention takes a hint from the structure composition of natural biologic material, as bamboo and wood, bone, shell etc., although they have simple composition, by the meticulous combination of labyrinth, give these biomaterials extraordinary combination property, can obtain high tenacity and anti-destructive.Thus, the present invention is at C
fin the design and researchp of/SiC-ZrC lattice composite material, introduce the thought of biomimetic features design, by the meticulous combination of " simple composition, labyrinth ", by C
fthe fuse of/SiC-ZrC lattice composite material is continuous gradient along a direction by a side direction opposite side to be changed, thereby material character and function are also changed in gradient, in macro-scale, the volume content of each component material presents continuous variation on locus, so just can avoid preferably or reduce stress concentration phenomenon, meanwhile, make rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board has good designability, can change targetedly by optimization method the space distribution rule of each component material volume content, thereby reach the object of the internal stress distribution of optimizing structure, more conveniently artificially design according to different application and working environment.
The present invention proposes a kind of C
fthe composite material and preparation method thereof that/SiC-ZrC material combines with lattice structure, by organic precursor impregnating cracking technology at C
fin/SiC composite, introduce superhigh temperature ceramics phase ZrC, ZrC has excellent oxidation resistance and high-temperature behavior, can under 2200 DEG C of environment, normally use, and the introducing of ZrC can significantly improve the serviceability temperature of lattice material.
The present invention introduces tetrabutyl zirconate in maceration extract, has generated C by cracking technology
f/ SiC-ZrC composite, and in patent before, there is no tetrabutyl zirconate, cracking only generates SiC.
The present invention has solved the ceramic base lattice composite material of very difficult realization in prior art in the anti-oxidant ablation property problem of long-time extreme environment by introducing ZrC, and under hot environment, keep the problem of good chemical stability, and the concentrated phenomenon of stress can avoided or reduce to the introducing of function gradient structure preferably, apply Bionic Design simultaneously and optimized the distribution of structure internal stress, thereby rectangular pyramid configuration C is provided
fthe bionical gradient lattice composite material of/SiC-ZrC flat board and preparation method thereof.
Advantage of the present invention is as follows:
One, rectangular pyramid configuration C provided by the invention
fthe rectangular pyramid configuration C that the preparation method of the bionical gradient lattice composite material of/SiC-ZrC flat board prepares
fthe bionical gradient lattice composite material of/SiC-ZrC flat board, it had both had the good characteristic of the grid structure of lattice material, had again the characteristic of FGM, rectangular pyramid configuration C
fthe graded of the dull and stereotyped composition of the bionical gradient lattice composite material of/SiC-ZrC structure can make its performance function also present graded, also reduced the fragility of SiC-ZrC pottery using carbon fiber as framework material, in macro-scale, the volume content of each component material is continually varying on locus, its physical property is not suddenlyd change, thereby can avoid preferably or reduce stress concentration phenomenon; Meanwhile, rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC can be given full play to ceramic high-temperature resistant, anticorrosive and metal strength is high, the feature of good toughness, and because the volume constituents that forms FGM different materials is to determine the principal element of its physical parameter along Spatial Variation along the distribution in space, therefore can artificially design according to different application and working environment, make rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board has had application widely.
Two, the present invention adopts carbon fiber (C
f) intert carbon cloth technique prepare rectangular pyramid configuration C
fthe skeleton of the bionical gradient lattice composite material of/SiC-ZrC flat board, adopts organic precursor method infiltration pyrolysis method (PIP method) successfully to prepare C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board, there is the characteristic of high temperature resistant, anti-oxidant, corrosion-resistant, the rub resistance of SiC-ZrC pottery, the introducing of Zr has solved the problem that ceramic base lattice composite material keeps good chemical stability under the anti-oxidant ablation property of long-time extreme environment and hot environment, and the method has overcome and in prior art, is difficult to the problem that the ceramic base lattice composite material realized keeps good chemical stability under the anti-oxidant ablation property of long-time extreme environment and hot environment.
Three, the present invention adopts carbon fiber (C
f) intert carbon cloth technique prepare rectangular pyramid configuration C
fthe thought of biomimetic features design has been introduced in the design of the bionical gradient lattice composite material of/SiC-ZrC flat board, by the meticulous combination of " simple composition, labyrinth ", realize high tenacity, anti-destructive and the dependability characteristic of ceramic base lattice composite material.From having improved to a great extent the Embrittlement of ceramic base lattice composite material, for the Strengthening and Toughening of ceramic base lattice composite material provides a brand-new research and mentality of designing.
Brief description of the drawings
Fig. 1 is the rectangular pyramid configuration C in experiment one
fthe stereogram of the bionical gradient lattice composite material of/SiC-ZrC flat board, wherein 1 is top panel, and 2 is lower panel, and 3 is dot matrix fuse;
Fig. 2 is the rectangular pyramid configuration C in experiment one
fthe stereogram of the rectangular pyramid cell element being formed by dot matrix fuse 3 in the bionical gradient lattice composite material of/SiC-ZrC flat board; Wherein 3 is dot matrix fuse;
Fig. 3 is the rectangular pyramid configuration C in experiment one
fthe schematic diagram of the interspersed method of attachment of the dot matrix fuse of the bionical gradient lattice composite material of/SiC-ZrC flat board, wherein 1 is top panel, and 2 is lower panel, and 3 is dot matrix fuse, A
11for the through hole of getting through the 1st row the 1st row in the carbon cloth I of hole of dipping, A
12for the through hole of getting through the 1st row the 2nd row in the carbon cloth I of hole of dipping, A
13for the through hole of getting through the 1st row the 3rd row in the carbon cloth I of hole of dipping, B
11for the through hole of getting through the 1st row the 1st row in the carbon cloth II of hole of dipping, B
12for the through hole of getting through the 1st row the 2nd row in the carbon cloth II of hole of dipping, B
13for the through hole of getting through the 1st row the 3rd row in the carbon cloth II of hole of dipping, B
14for the through hole of getting through the 1st row the 4th row in the carbon cloth II of hole of dipping, arrow is the path in the interspersed path connecting.
Detailed description of the invention
Detailed description of the invention one: present embodiment is rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board, by top panel 1, lower panel 2 and carry out with dot matrix fuse 3 the rectangular pyramid cell element that arrangement of gradients forms form between upper and lower panel, is characterized in that: described top panel 1 and lower panel 2 are by C
fthe plane that/SiC-ZrC composite forms, gradient dot matrix fuse 3 is by C
fthe rod member that/SiC-ZrC composite forms, the dot matrix fuse between top panel 1 and lower panel 2 is arrangement of gradients.
Rectangular pyramid configuration C provided by the invention
fthe rectangular pyramid configuration C that the preparation method of the bionical gradient lattice composite material of/SiC-ZrC flat board prepares
fthe bionical gradient lattice composite material of/SiC-ZrC flat board, it had both had the good characteristic of the grid structure of lattice material, had again the characteristic of FGM, rectangular pyramid configuration C
fthe graded of the dull and stereotyped composition of the bionical gradient lattice composite material of/SiC-ZrC structure can make its performance function also present graded, also reduced the fragility of SiC-ZrC pottery using carbon fiber as framework material, in macro-scale, the volume content of each component material is continually varying on locus, its physical property is not suddenlyd change, thereby can avoid preferably or reduce stress concentration phenomenon; Meanwhile, rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC can be given full play to ceramic high-temperature resistant, anticorrosive and metal strength is high, the feature of good toughness, and because the volume constituents that forms FGM different materials is to determine the principal element of its physical parameter along Spatial Variation along the distribution in space, therefore can artificially design according to different application and working environment, make rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board has had application widely.
Adopt carbon fiber (C
f) intert carbon cloth technique prepare rectangular pyramid configuration C
fthe skeleton of the bionical gradient lattice composite material of/SiC-ZrC flat board, then adopts organic precursor method infiltration pyrolysis method (PIP method) successfully to prepare C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board, there is the characteristic of high temperature resistant, anti-oxidant, corrosion-resistant, the rub resistance of SiC-ZrC pottery, the introducing of Zr has solved the problem that ceramic base lattice composite material keeps good chemical stability under the anti-oxidant ablation property of long-time extreme environment and hot environment, and the method has overcome and in prior art, is difficult to the problem that the ceramic base lattice composite material realized keeps good chemical stability under the anti-oxidant ablation property of long-time extreme environment and hot environment.
Detailed description of the invention two: the granularity of what present embodiment was different from detailed description of the invention one is ZrC is 1.20 μ m.Other are identical with detailed description of the invention one.
Detailed description of the invention three: rectangular pyramid configuration C described in detailed description of the invention one
fthe preparation method of the bionical gradient lattice composite material of/SiC-ZrC flat board, specifically completes according to the following steps:
One, Polycarbosilane, tetrabutyl zirconate, divinylbenzene, dimethylbenzene and oxolane are mixed, obtain maceration extract; Wherein, the mass ratio of divinylbenzene and Polycarbosilane is 0.4:1, and the mass ratio of dimethylbenzene and Polycarbosilane is 0.1:1, and the mass ratio of oxolane and Polycarbosilane is 2:1, and the mass ratio of tetrabutyl zirconate and Polycarbosilane is 1:1;
Two, in carbon cloth I, beat m capable × a n row array through-hole, the carbon cloth I that obtains getting through hole; In carbon cloth II, beat (m+1) OK × (n+1) row array through-hole, the carbon cloth II that obtains getting through hole; The through hole of getting through the 1st row the 1st row in the array through-hole in the carbon cloth I in hole is A
11, the through hole of getting through the 1st row the 2nd row in the array through-hole in the carbon cloth I in hole is A
12, by that analogy, the through hole of getting through the 1st row j row in the array through-hole in the carbon cloth I in hole is A
1j; The through hole of getting through the 2nd row the 1st row in the array through-hole in the carbon cloth I in hole is A
21, by that analogy, the through hole of getting through capable the 1st row of i in the array through-hole in the carbon cloth I in hole is A
i1, in like manner, the through hole of getting through the capable j row of i in the array through-hole in the carbon cloth I in hole is A
ij; The through hole of getting through the 1st row the 1st row in the array through-hole in the carbon cloth II in hole is B
11, the through hole of getting through the 1st row the 2nd row in the array through-hole in the carbon cloth II in hole is B
12, by that analogy, the through hole of getting through the 1st row j row in the array through-hole in the carbon cloth II in hole is B
1j; The through hole of getting through the 2nd row the 1st row in the array through-hole in the carbon cloth II in hole is B
21, by that analogy, the through hole of getting through capable the 1st row of i in the array through-hole in the carbon cloth II in hole is B
i1, the through hole of getting through the capable j row of i in the array through-hole in the carbon cloth II in hole is B
ij, the through hole of getting through (i+1) row (j+1) row in the array through-hole in the carbon cloth II in hole is B
(i+1) (j+1); Wherein, get through in the direction that the array through-hole in the carbon cloth I in hole is expert at A
(m/2+1) (n/2+1)centered by, arrange with Geometric Sequence form taking q as spacing to row both sides, the centre-to-centre spacing of getting through array through-hole every two the adjacent through holes in the direction of row in the carbon cloth I in hole all equates, each array through-hole of getting through in the carbon cloth II in hole is to determine as corresponding with every four square centers taking the through hole of square formal distribution in carbon cloth I, arranged evenly to row and column successively, wherein, get through the through hole A of hole carbon cloth I
11drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
11, B
12, B
21and B
22form foursquare in the heart, get through the through hole A of hole carbon cloth I
12drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
12, B
13, B
22and B
23form foursquare in the heart, by that analogy, get through the through hole A of hole carbon cloth I
1jdrop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
1j, B
1 (j+1), B
2jand B
2 (j+1)form foursquare in the heart, get through the through hole A of hole carbon cloth I
21drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
21, B
22, B
31and B
32form foursquare in the heart, by that analogy, get through the through hole A of hole carbon cloth I
i1drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
i1, B
i2, B
(i+1) 1and B
(i+1) 2form foursquare in the heart, in like manner, get through the through hole A of hole carbon cloth I
ijdrop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
ij, B
i (j+1), B
(i+1) jand B
(i+1) (j+1)form foursquare in the heart, described m>=2, n>=2, i>=1 and i≤m, j>=1 and j≤n, a is defined as getting through in the direction that the array through-hole in the carbon cloth I in hole is expert at A
(m/2+1) (n/2+1)centered by any one side arrange through-hole spacing distance, wherein a
n+1/ a
n=q, n>=1, q>1, all through holes are identical through hole footpath, and logical pore size is 1mm～3mm, and the centre-to-centre spacing of getting through array through-hole every two the adjacent through holes in the direction of row in the carbon cloth I in hole is 26mm～30mm;
Three, by the carbon cloth I of getting through hole obtaining in step 2 and the carbon cloth II of getting through hole, put into respectively maceration extract that step 1 obtains under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, obtain dipping get through hole carbon cloth I and dipping get through hole carbon cloth II;
Four, carbon fiber is put into the maceration extract that step 1 obtains, under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, then, by the carbon fiber knit bunchy after dipping, obtains the carbon fiber bundle of dipping;
Five, by dipping get through hole carbon cloth I and dipping get through the parallel placement of hole carbon cloth II, the spacing of getting through hole carbon cloth I of getting through hole carbon cloth II and dipping of dipping is 40mm～60mm, wherein, the through hole A that gets through hole carbon cloth I of dipping
11at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
11, B
12, B
21and B
22form foursquare in the heart, the through hole A that gets through hole carbon cloth I of dipping
12at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
12, B
13, B
22with B23 form foursquare in the heart, by that analogy, the through hole A that gets through hole carbon cloth I of dipping
1jat the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
1j, B
1 (j+1), B
2jand B
2 (j+1)form foursquare in the heart, the through hole A that gets through hole carbon cloth I of dipping
21at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
21, B
22, B
31and B
32form foursquare in the heart, by that analogy, the through hole A that gets through hole carbon cloth I of dipping
i1at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
i1, B
i2, B
(i+1) 1and B
(i+1) 2form foursquare in the heart, in like manner, the through hole A that gets through hole carbon cloth I of dipping
ijat the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
ij, B
i (j+1), B
(i+1) jand B
(i+1) (j+1)form foursquare in the heart;
The carbon fiber bundle of the dipping that six, employing step 4 obtains is as connecting material, by the dipping by placing in step 5 get through hole carbon cloth I and dipping get through hole carbon cloth II carry out " Z " word intert be connected, make the carbon fiber bundle of dipping at the rectangular pyramid cell element that forms arrangement of gradients between the carbon cloth II of hole of getting through of getting through hole carbon cloth I and dipping of dipping, obtain rectangular pyramid configuration C
fthe skeleton of the bionical gradient lattice composite material of/SiC-ZrC;
Seven, separately get carbon cloth, be cut into carbon cloth I and the equal-sized size of hole carbon cloth II in size and step 6, put into the maceration extract that step 1 obtains, under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, obtains the carbon cloth flooding;
Eight, obtain rectangular pyramid configuration C in step 6
fthe outer surface of getting through hole carbon cloth II of getting through hole carbon cloth I and dipping of the dipping of the skeleton of the bionical gradient lattice composite material of/the SiC-ZrC carbon cloth that upper step 7 obtains that tiles respectively, then, at 130 DEG C～140 DEG C, the dipping of tiling carbon cloth the outer surface of getting through hole carbon cloth II of dipping of getting through hole carbon cloth I and tiling carbon cloth apply respectively the mechanical pressure of 1MPa～3MPa, solidify 4h～8h, afterwards, put into vacuum drying oven, being evacuated to vacuum is less than after 0.001MPa, passing into nitrogen to vacuum is 0.05MPa～0.1MPa again, heating rate with 10 DEG C/min～20 DEG C/min is warming up to 1100 DEG C～1300 DEG C from room temperature, and be incubated 10min～60min, obtain rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC head product,
Nine, dipping, curing, cracking processing: by rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC head product is put into maceration extract that step 1 obtains under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, put into drying baker, at 110 DEG C～160 DEG C, solidify 4h～8h, then, put into vacuum drying oven, being evacuated to vacuum is less than after 0.001MPa, passing into nitrogen to vacuum is 0.05MPa～0.1MPa again, heating rate with 10 DEG C/min～20 DEG C/min is warming up to 1100 DEG C～1300 DEG C from room temperature, and is incubated 10min～60min, obtains rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC intermediate;
Ten, rectangular pyramid configuration C step 9 being obtained
fthe dipping of the bionical gradient lattice composite material of/SiC-ZrC intermediate repeating step nine, curing, cracking processing operation, until rectangular pyramid configuration C
fwhen/SiC-ZrC gradient lattice composite material intermediate is less than 1% with respect to increasing weight before with reprocessing operation after reprocessing operation, obtain rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board.
Present embodiment adopts carbon fiber (C
f) " Z " word intert carbon cloth technique prepare rectangular pyramid configuration C
fthe skeleton of the bionical gradient lattice composite material of/SiC-ZrC flat board, then adopts organic precursor method infiltration pyrolysis method (PIP method) successfully to prepare C
f/ SiC-ZrC gradient lattice composite material flat board, there is the characteristic of high temperature resistant, anti-oxidant, corrosion-resistant, the rub resistance of SiC-ZrC pottery, the introducing of Zr has solved the problem that ceramic base lattice composite material keeps good chemical stability under the anti-oxidant ablation property of long-time extreme environment and hot environment, has overcome and in prior art, has been difficult to the problem that the ceramic base lattice composite material realized keeps good chemical stability under the anti-oxidant ablation property of long-time extreme environment and hot environment.
Detailed description of the invention four: the molecular weight of the Polycarbosilane described in step 1 that what present embodiment was different from detailed description of the invention three is is 1000～1500.Other is identical with detailed description of the invention three.
Detailed description of the invention five: " Z " word described in step 6 that what present embodiment was different from detailed description of the invention three or four is interts and connects, and specifically completes according to the following steps:
A) choose the 1st row of getting through hole carbon cloth I of dipping and the 1st row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
11, from the through hole B that gets through hole carbon cloth II of dipping
11pass, from through hole B
12penetrate, from through hole A
11pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
12, from the through hole B that gets through hole carbon cloth II of dipping
12pass, from through hole B
13penetrate, from through hole A
12pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
1j, from the through hole B that gets through hole carbon cloth II of dipping
1jpass, from through hole B
1 (j+1)penetrate, from through hole A
1jpass, until the carbon fiber bundle of dipping is all connected all through holes in the 1st row of getting through hole carbon cloth II of the 1st row of getting through hole carbon cloth I of dipping and dipping; Choose the 1st row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
11, from the through hole B that gets through hole carbon cloth II of dipping
21pass, from through hole B
22penetrate, from through hole A
11pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
12, from the through hole B that gets through hole carbon cloth II of dipping
22pass, from through hole B
23penetrate, from through hole A
12pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
1j, from the through hole B that gets through hole carbon cloth II of dipping
2jpass, from through hole B
2 (j+1)penetrate, from through hole A
1jpass, until the carbon fiber bundle of dipping is all connected all through holes in the 2nd row of getting through hole carbon cloth II of the 1st row of getting through hole carbon cloth I of dipping and dipping; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form first row rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping;
B) choose the 2nd row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
21, from the through hole B that gets through hole carbon cloth II of dipping
21pass, from through hole B
22penetrate, from through hole A
21pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
22, from the through hole B that gets through hole carbon cloth II of dipping
22pass, from through hole B
23penetrate, from through hole A
22pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
2j, from the through hole B that gets through hole carbon cloth II of dipping
2jpass, from through hole B
2 (j+1)penetrate, from through hole A
2jpass, until all through holes in the 2nd row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping are all connected with the carbon fiber bundle of dipping; Choose the 2nd row of getting through hole carbon cloth I of dipping and the 3rd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
21, from the through hole B that gets through hole carbon cloth II of dipping
31pass, from through hole B
32penetrate, from through hole A
21pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
22, from the through hole B that gets through hole carbon cloth II of dipping
32pass, from through hole B
33penetrate, from through hole A
22pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
2j, from the through hole B that gets through hole carbon cloth II of dipping
3jpass, from through hole B
3 (j+1)penetrate, from through hole A
2jpass, until the carbon fiber bundle of dipping is all connected all through holes in the 2nd row of getting through hole carbon cloth II of the 1st row of getting through hole carbon cloth I of dipping and dipping; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form second row rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping;
C) analogize according to the interspersed method of attachment of step a) and step b), the i that the gets through hole carbon cloth I i that gets through hole carbon cloth II capable and dipping that chooses dipping is capable, and the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
i1, from the through hole B that gets through hole carbon cloth II of dipping
i1pass, from through hole B
i2penetrate, from through hole A
i1pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
i2, from the through hole B that gets through hole carbon cloth II of dipping
i2pass, from through hole B
i3penetrate, from through hole A
i2pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
ij, get through hole carbon cloth II through hole B from dipping
ijpass, from through hole B
i (j+1)penetrate, from through hole A
ijpass, until the carbon fiber bundle of dipping is all connected all through holes in capable the i that the gets through hole carbon cloth I i that gets through hole carbon cloth II capable and dipping of dipping; Choose (i+1) that get through hole carbon cloth II of the capable and dipping of the i that gets through hole carbon cloth I of dipping OK, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
i1, from the through hole B that gets through hole carbon cloth II of dipping
(i+1) 1pass, from through hole B
(i+1) 2penetrate, from through hole A
i1pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
i2, from the through hole B that gets through hole carbon cloth II of dipping
(i+1) 2pass, from through hole B
(i+1) 3penetrate, from through hole A
i2pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
ij, from the through hole B that gets through hole carbon cloth II of dipping
(i+1) jpass, from through hole B
(i+1) (j+1)penetrate, from through hole A
ijpass, until by the carbon fiber bundle of dipping by dipping the i that gets through hole carbon cloth I capable with dipping get through hole carbon cloth II (i+1) row in all through holes be all connected; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form i row rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping; By that analogy, until, by dipping get through hole carbon cloth I and dipping get through through holes all in the carbon cloth II of hole all impregnated carbon fiber bundle intert and be connected, completed interspersed connection.Other is identical with detailed description of the invention two or three.
Detailed description of the invention six: put into drying baker in described step 9 that what present embodiment was different from one of detailed description of the invention three to five is, at 120 DEG C of curing 2h～4h, at 150 DEG C, solidify 2h～4h, other is identical with one of detailed description of the invention three to five.
Detailed description of the invention seven: what present embodiment was different from one of detailed description of the invention three to six is step 9, put into vacuum drying oven, be evacuated to vacuum and be less than 0.001MPa, passing into nitrogen to vacuum is 0.08MPa, heating rate with 12 DEG C/min is warming up to 11200 DEG C from room temperature, and is incubated 20min.Other is identical with one of detailed description of the invention three to six.
Adopt following experimental verification effect of the present invention:
Experiment one: rectangular pyramid configuration C
fthe preparation method of the bionical gradient lattice composite material of/SiC-ZrC flat board, specifically completes according to the following steps:
One, Polycarbosilane, tetrabutyl zirconate, divinylbenzene, dimethylbenzene and oxolane are mixed, obtain maceration extract; Wherein, the mass ratio of divinylbenzene and Polycarbosilane is 0.4:1, and the mass ratio of dimethylbenzene and Polycarbosilane is 0.1:1, and the mass ratio of oxolane and Polycarbosilane is 2:1, and the mass ratio of tetrabutyl zirconate and Polycarbosilane is 1:1;
Two, in carbon cloth I, make a call to a 3 row × 3 row array through-hole, the carbon cloth I that obtains getting through hole; In carbon cloth II, make a call to a 4 row × 4 row array through-hole, the carbon cloth II that obtains getting through hole; The through hole of getting through the 1st row the 1st row in the array through-hole in the carbon cloth I in hole is A
11, the through hole of getting through the 1st row the 2nd row in the array through-hole in the carbon cloth I in hole is A
12, the through hole of getting through the 1st row the 3rd row in the array through-hole in the carbon cloth I in hole is A
13, the through hole of getting through the 2nd row the 1st row in the array through-hole in the carbon cloth I in hole is A
21, the through hole of getting through the 2nd row the 2nd row in the array through-hole in the carbon cloth I in hole is A
22, the through hole of getting through the 2nd row the 3rd row in the array through-hole in the carbon cloth I in hole is A
23, the through hole of getting through the 3rd row the 1st row in the array through-hole in the carbon cloth I in hole is A
31, the through hole of getting through the 3rd row the 2nd row in the array through-hole in the carbon cloth I in hole is A
32, the through hole of getting through the 3rd row the 3rd row in the array through-hole in the carbon cloth I in hole is A
33; The through hole of getting through the 1st row the 1st row in the array through-hole in the carbon cloth II in hole is B
11, the through hole of getting through the 1st row the 2nd row in the array through-hole in the carbon cloth II in hole is B
12, the through hole of getting through the 1st row the 3rd row in the array through-hole in the carbon cloth II in hole is B
13, the through hole of getting through the 1st row the 4th row in the array through-hole in the carbon cloth II in hole is B
14, the through hole of getting through the 2nd row the 1st row in the array through-hole in the carbon cloth II in hole is B
21, the through hole of getting through the 2nd row the 2nd row in the array through-hole in the carbon cloth II in hole is B
22, the through hole of getting through the 2nd row the 3rd row in the array through-hole in the carbon cloth II in hole is B
23, the through hole of getting through the 2nd row the 4th row in the array through-hole in the carbon cloth II in hole is B
24, the through hole of getting through the 3rd row the 1st row in the array through-hole in the carbon cloth II in hole is B
31, the through hole of getting through the 3rd row the 2nd row in the array through-hole in the carbon cloth II in hole is B
32, the through hole of getting through the 3rd row the 3rd row in the array through-hole in the carbon cloth II in hole is B
33, the through hole of getting through the 3rd row the 4th row in the array through-hole in the carbon cloth II in hole is B
34, the through hole of getting through the 4th row the 1st row in the array through-hole in the carbon cloth II in hole is B
41, the through hole of getting through the 4th row the 2nd row in the array through-hole in the carbon cloth II in hole is B
42, the through hole of getting through the 4th row the 3rd row in the array through-hole in the carbon cloth II in hole is B
43, the through hole of getting through the 4th row the 4th row in the array through-hole in the carbon cloth II in hole is B
44; Wherein, get through in the direction that the array through-hole in the carbon cloth I in hole is expert at A
12, A
22, A
32this behavior center, arrange with Geometric Sequence form to row both sides taking 1.5 as spacing, the centre-to-centre spacing of getting through array through-hole every two the adjacent through holes in the direction of row in the carbon cloth I in hole all equates, each array through-hole of getting through in the carbon cloth II in hole is to determine as corresponding with every four square centers taking the through hole of square formal distribution in carbon cloth I, arranged evenly to row and column successively, wherein, get through the through hole A of hole carbon cloth I
11drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
11, B
12, B
21and B
22form foursquare in the heart, get through the through hole A of hole carbon cloth I
12drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
12, B
13, B
22and B
23form foursquare in the heart, get through the through hole A of hole carbon cloth I
13drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
13, B
14, B
23and B
24form foursquare in the heart by that analogy, get through the through hole A of hole carbon cloth I
21drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
21, B
22, B
31and B
32form foursquare in the heart, get through the through hole A of hole carbon cloth I
22drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
22, B
23, B
32and B
33form foursquare in the heart, get through the through hole A of hole carbon cloth I
23drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
23, B
24, B
33and B
34form foursquare in the heart, get through the through hole A of hole carbon cloth I
31drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
31, B
32, B
41and B
42form foursquare in the heart, get through the through hole A of hole carbon cloth I
32drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
32, B
33, B
42and B
43form foursquare in the heart, get through the through hole A of hole carbon cloth I
33drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
33, B
34, B
43and B
44form foursquare in the heart, all through holes are identical through hole footpath, logical pore size is 1mm～3mm, the centre-to-centre spacing of getting through array through-hole every two the adjacent through holes in the direction of row in the carbon cloth I in hole is 26mm～30mm;
Three, by the carbon cloth I of getting through hole obtaining in step 2 and the carbon cloth II of getting through hole, put into maceration extract that step 1 obtains under the vacuum condition that is less than 0.1MPa, dipping 3h, obtain dipping get through hole carbon cloth I and dipping get through hole carbon cloth II;
Four, carbon fiber is put into the maceration extract that step 1 obtains, under the vacuum condition that is less than 0.1MPa, dipping 3h, then, is bundle by the carbon fiber knit after dipping, obtains the carbon fiber bundle of dipping;
Five, by dipping get through hole carbon cloth I and dipping get through the parallel placement of hole carbon cloth II, the spacing of getting through hole carbon cloth I of getting through hole carbon cloth II and dipping of dipping is 50mm, wherein, the through hole A that gets through hole carbon cloth I of dipping
11at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
11, B
12, B
21and B
22form foursquare in the heart, the through hole A that gets through hole carbon cloth I of dipping
12at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
12, B
13, B
22and B
23form foursquare in the heart, by that analogy, the through hole A that gets through hole carbon cloth I of dipping
13at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
13, B
14, B
23and B
24form foursquare in the heart, the through hole A that gets through hole carbon cloth I of dipping
21at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
21, B
22, B
31and B
32form foursquare in the heart, by that analogy, the through hole A that gets through hole carbon cloth I of dipping
31at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
31, B
32, B
41and B
42form foursquare in the heart, in like manner, the through hole A that gets through hole carbon cloth I of dipping
33at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
33, B
34, B
43and B
44form foursquare in the heart;
Six, a) choose the 1st row of getting through hole carbon cloth I of dipping and the 1st row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
11, from the through hole B that gets through hole carbon cloth II of dipping
11pass, from through hole B
12penetrate, from through hole A
11pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
12, from the through hole B that gets through hole carbon cloth II of dipping
12pass, from through hole B
13penetrate, from through hole A
12pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
13, from the through hole B that gets through hole carbon cloth II of dipping
13pass, from through hole B
14penetrate, from through hole A
13pass, completed and all through holes in the 1st row of getting through hole carbon cloth I of dipping and the 1st row of getting through hole carbon cloth II of dipping have all been connected with the carbon fiber bundle of dipping; Choose the 1st row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
11, from the through hole B that gets through hole carbon cloth II of dipping
21pass, from through hole B
22penetrate, from through hole A
11pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
12, from the through hole B that gets through hole carbon cloth II of dipping
22pass, from through hole B
23penetrate, from through hole A
12pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
13, from the through hole B that gets through hole carbon cloth II of dipping
23pass, from through hole B
24penetrate, from through hole A
13pass, completed and all through holes in the 1st row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping have all been connected with the carbon fiber bundle of dipping; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form first row rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping;
B) choose the 2nd row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
21, get through hole carbon cloth II through hole B from dipping
21pass, from through hole B
22penetrate, from through hole A
21pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
22, get through hole carbon cloth II through hole B from dipping
22pass, from through hole B
23penetrate, from through hole A
22pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
23, get through hole carbon cloth II through hole B from dipping
23pass, from through hole B
24penetrate, from through hole A
23pass, completed and all through holes in the 2nd row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping have all been connected with the carbon fiber bundle of dipping; Choose the 2nd row of getting through hole carbon cloth I of dipping and the 3rd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
21, get through hole carbon cloth II through hole B from dipping
31pass, from through hole B
32penetrate, from through hole A
21pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
22, get through hole carbon cloth II through hole B from dipping
32pass, from through hole B
33penetrate, from through hole A
22pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
23, get through hole carbon cloth II through hole B from dipping
33pass, from through hole B
34penetrate, from through hole A
23pass, completed the carbon fiber bundle of dipping is all connected all through holes in the 2nd row of getting through hole carbon cloth II of the 1st row of getting through hole carbon cloth I of dipping and dipping; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form second row rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping;
C) analogize according to the interspersed method of attachment of step a) and step b), choose the 3rd row of getting through hole carbon cloth I of dipping and the 3rd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
31, get through hole carbon cloth II through hole B from dipping
31pass, from through hole B
32penetrate, from through hole A
31pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
32, get through hole carbon cloth II through hole B from dipping
32pass, from through hole B
33penetrate, from through hole A
32pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
33, get through hole carbon cloth II through hole B from dipping
33pass, from through hole B
34penetrate, from through hole A
33pass, completed and all through holes in the 3rd row of getting through hole carbon cloth I of dipping and the 3rd row of getting through hole carbon cloth II of dipping have all been connected with the carbon fiber bundle of dipping; Choose the 3rd row of getting through hole carbon cloth I of dipping and the 4th row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
31, get through hole carbon cloth II through hole B from dipping
41pass, from through hole B
42penetrate, from through hole A
31pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
32, get through hole carbon cloth II through hole B from dipping
42pass, from through hole B
43penetrate, from through hole A
32pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
33, get through hole carbon cloth II through hole B from dipping
43pass, from through hole B
44penetrate, from through hole A
33pass, completed the carbon fiber bundle of dipping is all connected all through holes in the 4th row of getting through hole carbon cloth II of the 3rd row of getting through hole carbon cloth I of dipping and dipping; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form the 3rd row's rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping;
Through step a), step b) and step c), " Z " word that has completed all through holes of getting through hole carbon cloth II of getting through hole carbon cloth I and dipping to dipping with the carbon fiber bundle flooding interts and is connected; Obtain rectangular pyramid configuration C
fthe skeleton of the bionical gradient lattice composite material of/SiC-ZrC;
Seven, separately get carbon cloth, put into the maceration extract that step 1 obtains, under the vacuum condition that is less than 0.1MPa, dipping 3h, obtains the carbon cloth flooding;
Eight, obtain rectangular pyramid configuration C in step 6
ftile the respectively carbon cloth of the dipping that upper step 7 obtains of the top panel 1 of the skeleton of the bionical gradient lattice composite material of/SiC-ZrC and the outer surface of lower panel 2, then, at 135 DEG C, top panel 1 and lower panel 2 are applied respectively to the mechanical pressure of 2MPa, solidify 6h, afterwards, put into vacuum drying oven, being evacuated to vacuum is less than after 0.001MPa, passing into nitrogen to vacuum is 0.1MPa again, heating rate with 15 DEG C/min is warming up to 1200 DEG C from room temperature, and is incubated 30min, obtains rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC head product;
Nine, dipping, curing, cracking processing: by rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC head product is put into maceration extract that step 1 obtains under the vacuum condition that is less than 0.1MPa, and dipping 3h, puts into drying baker, at 120 DEG C of curing 3h, at 150 DEG C, solidify 3h, then, put into vacuum drying oven, be evacuated to vacuum and be less than after 0.001MPa, then to pass into nitrogen to vacuum be 0.1MPa, be warming up to 1200 DEG C with the heating rate of 15 DEG C/min from room temperature, and be incubated 30min, obtain rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC intermediate;
Ten, rectangular pyramid configuration C step 9 being obtained
fthe dipping of the bionical gradient lattice composite material of/SiC-ZrC intermediate repeating step nine, curing, cracking processing operation, until rectangular pyramid configuration C
fwhen the bionical gradient lattice composite material of/SiC-ZrC intermediate is less than 1% with respect to increasing weight before with reprocessing operation after reprocessing operation, obtain rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board.
The experiment one rectangular pyramid configuration C obtaining
fthe stereogram of the bionical gradient lattice composite material of/SiC-ZrC flat board, the dot matrix fuse between panel carries out arrangement of gradients by Bionic Optimum Design, as shown in Figure 1.Wherein, 1 is top panel, and 2 is lower panel, and 3 is dot matrix fuse.Wherein top panel 1 is the plane of being solidified, being obtained after cracking by the carbon cloth of getting through hole carbon cloth I and the tiling dipping on it flooding; Lower panel 2 is the planes of being solidified, being obtained after cracking by the carbon cloth of getting through hole carbon cloth II and the tiling dipping on it flooding; Dot matrix fuse 3 is the rod members through solidifying, obtaining after cracking by the carbon fiber bundle flooding.
The experiment one rectangular pyramid configuration C obtaining
fthe stereogram of the rectangular pyramid cell element that the dot matrix fuse in the bionical gradient lattice composite material of/SiC-ZrC flat board forms, as shown in Figure 2.Fig. 2 is the rectangular pyramid configuration C in experiment one
fthe schematic diagram of the rectangular pyramid cell element being formed by dot matrix fuse 3 in the bionical gradient lattice composite material of/SiC-ZrC flat board.Wherein, 3 is dot matrix fuse.
The schematic diagram of the interspersed method of attachment of step 6 in experiment one, as shown in Figure 3.Fig. 3 is the rectangular pyramid configuration C in experiment one
fthe schematic diagram of the interspersed method of attachment of the dot matrix fuse of the bionical lattice composite material flat board of/SiC.Wherein, 1 is top panel, and 2 is lower panel, and 3 is dot matrix fuse, A
11for the through hole of getting through the 1st row the 1st row in the carbon cloth I of hole of dipping, A
12for the through hole of getting through the 1st row the 2nd row in the carbon cloth I of hole of dipping, A
13for the through hole of getting through the 1st row the 3rd row in the carbon cloth I of hole of dipping, B
11for the through hole of getting through the 1st row the 1st row in the carbon cloth II of hole of dipping, B
12for the through hole of getting through the 1st row the 2nd row in the carbon cloth II of hole of dipping, B
13for the through hole of getting through the 1st row the 3rd row in the carbon cloth II of hole of dipping, B
14for the through hole of getting through the 1st row the 4th row in the carbon cloth II of hole of dipping, arrow is the path in the interspersed path connecting.
The rectangular pyramid configuration C of this experiment
fthe preparation method of the bionical gradient lattice composite material of/SiC-ZrC flat board has successfully prepared rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board.
Rectangular pyramid configuration C in this experiment
fthe preparation method of/SiC lattice composite material flat board, specifically completes according to the following steps:
One, Polycarbosilane, divinylbenzene, dimethylbenzene and oxolane are mixed, obtain maceration extract; Wherein, the mass ratio of divinylbenzene and Polycarbosilane is 0.4:1, and the mass ratio of dimethylbenzene and Polycarbosilane is 0.07:1, and the mass ratio of oxolane and Polycarbosilane is 2:1;
Two, in carbon cloth I, make a call to a 3 row × 3 row array through-hole, the carbon cloth I that obtains getting through hole; In carbon cloth II, make a call to a 4 row × 4 row array through-hole, the carbon cloth II that obtains getting through hole; The through hole of getting through the 1st row the 1st row in the array through-hole in the carbon cloth I in hole is A
11, the through hole of getting through the 1st row the 2nd row in the array through-hole in the carbon cloth I in hole is A
12, the through hole of getting through the 1st row the 3rd row in the array through-hole in the carbon cloth I in hole is A
13, the through hole of getting through the 2nd row the 1st row in the array through-hole in the carbon cloth I in hole is A
21, the through hole of getting through the 2nd row the 2nd row in the array through-hole in the carbon cloth I in hole is A
22, the through hole of getting through the 2nd row the 3rd row in the array through-hole in the carbon cloth I in hole is A
23, the through hole of getting through the 3rd row the 1st row in the array through-hole in the carbon cloth I in hole is A
31, the through hole of getting through the 3rd row the 2nd row in the array through-hole in the carbon cloth I in hole is A
32, the through hole of getting through the 3rd row the 3rd row in the array through-hole in the carbon cloth I in hole is A
33; The through hole of getting through the 1st row the 1st row in the array through-hole in the carbon cloth II in hole is B
11, the through hole of getting through the 1st row the 2nd row in the array through-hole in the carbon cloth II in hole is B
12, the through hole of getting through the 1st row the 3rd row in the array through-hole in the carbon cloth II in hole is B
13, the through hole of getting through the 1st row the 4th row in the array through-hole in the carbon cloth II in hole is B
14, the through hole of getting through the 2nd row the 1st row in the array through-hole in the carbon cloth II in hole is B
21, the through hole of getting through the 2nd row the 2nd row in the array through-hole in the carbon cloth II in hole is B
22, the through hole of getting through the 2nd row the 3rd row in the array through-hole in the carbon cloth II in hole is B
23, the through hole of getting through the 2nd row the 4th row in the array through-hole in the carbon cloth II in hole is B
24, the through hole of getting through the 3rd row the 1st row in the array through-hole in the carbon cloth II in hole is B
31, the through hole of getting through the 3rd row the 2nd row in the array through-hole in the carbon cloth II in hole is B
32, the through hole of getting through the 3rd row the 3rd row in the array through-hole in the carbon cloth II in hole is B
33, the through hole of getting through the 3rd row the 4th row in the array through-hole in the carbon cloth II in hole is B
34, the through hole of getting through the 4th row the 1st row in the array through-hole in the carbon cloth II in hole is B
41, the through hole of getting through the 4th row the 2nd row in the array through-hole in the carbon cloth II in hole is B
42, the through hole of getting through the 4th row the 3rd row in the array through-hole in the carbon cloth II in hole is B
43, the through hole of getting through the 4th row the 4th row in the array through-hole in the carbon cloth II in hole is B
44; Wherein, the centre-to-centre spacing of getting through every two adjacent through holes in the direction that the array through-hole in the carbon cloth I in hole is expert at all equates, the centre-to-centre spacing of getting through array through-hole every two the adjacent through holes in the direction of row in the carbon cloth I in hole all equates, meanwhile, get through in the centre-to-centre spacing of two every adjacent through holes that the array through-hole in the carbon cloth I in hole is expert at in the direction of row often the centre-to-centre spacing of two adjacent through holes all equate; The centre-to-centre spacing of getting through every two adjacent through holes in the direction that the array through-hole in the carbon cloth II in hole is expert at all equates, the centre-to-centre spacing of getting through array through-hole every two the adjacent through holes in the direction of row in the carbon cloth II in hole all equates, meanwhile, get through in the centre-to-centre spacing of two every adjacent through holes that the array through-hole in the carbon cloth II in hole is expert at in the direction of row often the centre-to-centre spacing of two adjacent through holes all equate; In the direction that the centre-to-centre spacing of getting through every two adjacent through holes in the direction that the array through-hole in the carbon cloth I in hole is expert at is expert at the array through-hole of getting through in the carbon cloth II in hole, often the centre-to-centre spacing of two adjacent through holes equates, all through holes are identical through hole footpath, logical pore size is 1mm～3mm, and the centre-to-centre spacing of getting through every two adjacent through holes in the direction that the array through-hole in the carbon cloth I in hole is expert at is 28mm;
Three, by the carbon cloth I of getting through hole obtaining in step 2 and the carbon cloth II of getting through hole, put into maceration extract that step 1 obtains under the vacuum condition that is less than 0.1MPa, dipping 3h, obtain dipping get through hole carbon cloth I and dipping get through hole carbon cloth II;
Four, carbon fiber is put into the maceration extract that step 1 obtains, under the vacuum condition that is less than 0.1MPa, dipping 3h, then, is bundle by the carbon fiber knit after dipping, obtains the carbon fiber bundle of dipping;
Five, by dipping get through hole carbon cloth I and dipping get through the parallel placement of hole carbon cloth II, the spacing of getting through hole carbon cloth I of getting through hole carbon cloth II and dipping of dipping is 50mm, wherein, the through hole A that gets through hole carbon cloth I of dipping
11at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
11, B
12, B
21and B
22form foursquare in the heart, the through hole A that gets through hole carbon cloth I of dipping
12at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
12, B
13, B
22and B
23form foursquare in the heart, by that analogy, the through hole A that gets through hole carbon cloth I of dipping
13at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
13, B
14, B
23and B
24form foursquare in the heart, the through hole A that gets through hole carbon cloth I of dipping
21at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
21, B
22, B
31and B
32form foursquare in the heart, by that analogy, the through hole A that gets through hole carbon cloth I of dipping
31at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
31, B
32, B
41and B
42form foursquare in the heart, in like manner, the through hole A that gets through hole carbon cloth I of dipping
33at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
33, B
34, B
43and B
44form foursquare in the heart;
Six, a) choose the 1st row of getting through hole carbon cloth I of dipping and the 1st row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
11, from the through hole B that gets through hole carbon cloth II of dipping
11pass, from through hole B
12penetrate, from through hole A
11pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
12, from the through hole B that gets through hole carbon cloth II of dipping
12pass, from through hole B
13penetrate, from through hole A
12pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
13, from the through hole B that gets through hole carbon cloth II of dipping
13pass, from through hole B
14penetrate, from through hole A
13pass, completed and all through holes in the 1st row of getting through hole carbon cloth I of dipping and the 1st row of getting through hole carbon cloth II of dipping have all been connected with the carbon fiber bundle of dipping; Choose the 1st row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
11, from the through hole B that gets through hole carbon cloth II of dipping
21pass, from through hole B
22penetrate, from through hole A
11pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
12, from the through hole B that gets through hole carbon cloth II of dipping
22pass, from through hole B
23penetrate, from through hole A
12pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
13, from the through hole B that gets through hole carbon cloth II of dipping
23pass, from through hole B
24penetrate, from through hole A
13pass, completed and all through holes in the 1st row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping have all been connected with the carbon fiber bundle of dipping; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form first row rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping;
B) choose the 2nd row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
21, get through hole carbon cloth II through hole B from dipping
21pass, from through hole B
22penetrate, from through hole A
21pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
22, get through hole carbon cloth II through hole B from dipping
22pass, from through hole B
23penetrate, from through hole A
22pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
23, get through hole carbon cloth II through hole B from dipping
23pass, from through hole B
24penetrate, from through hole A
23pass, completed and all through holes in the 2nd row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping have all been connected with the carbon fiber bundle of dipping; Choose the 2nd row of getting through hole carbon cloth I of dipping and the 3rd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
21, get through hole carbon cloth II through hole B from dipping
31pass, from through hole B
32penetrate, from through hole A
21pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
22, get through hole carbon cloth II through hole B from dipping
32pass, from through hole B
33penetrate, from through hole A
22pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
23, get through hole carbon cloth II through hole B from dipping
33pass, from through hole B
34penetrate, from through hole A
23pass, completed the carbon fiber bundle of dipping is all connected all through holes in the 2nd row of getting through hole carbon cloth II of the 1st row of getting through hole carbon cloth I of dipping and dipping; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form second row rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping;
C) analogize according to the interspersed method of attachment of step a) and step b), choose the 3rd row of getting through hole carbon cloth I of dipping and the 3rd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
31, get through hole carbon cloth II through hole B from dipping
31pass, from through hole B
32penetrate, from through hole A
31pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
32, get through hole carbon cloth II through hole B from dipping
32pass, from through hole B
33penetrate, from through hole A
32pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
33, get through hole carbon cloth II through hole B from dipping
33pass, from through hole B
34penetrate, from through hole A
33pass, completed and all through holes in the 3rd row of getting through hole carbon cloth I of dipping and the 3rd row of getting through hole carbon cloth II of dipping have all been connected with the carbon fiber bundle of dipping; Choose the 3rd row of getting through hole carbon cloth I of dipping and the 4th row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
31, get through hole carbon cloth II through hole B from dipping
41pass, from through hole B
42penetrate, from through hole A
31pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
32, get through hole carbon cloth II through hole B from dipping
42pass, from through hole B
43penetrate, from through hole A
32pass, form again a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
33, get through hole carbon cloth II through hole B from dipping
43pass, from through hole B
44penetrate, from through hole A
33pass, completed the carbon fiber bundle of dipping is all connected all through holes in the 4th row of getting through hole carbon cloth II of the 3rd row of getting through hole carbon cloth I of dipping and dipping; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form the 3rd row's rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping;
Through step a), step b) and step c), complete the interspersed connection of all through holes of getting through hole carbon cloth II of getting through hole carbon cloth I and dipping to dipping with the carbon fiber bundle flooding; Obtain rectangular pyramid configuration C
fthe skeleton of/SiC lattice composite material;
Seven, separately get carbon cloth, put into the maceration extract that step 1 obtains, under the vacuum condition that is less than 0.1MPa, dipping 3h, obtains the carbon cloth flooding;
Eight, obtain rectangular pyramid configuration C in step 6
ftile the respectively carbon cloth of the dipping that upper step 7 obtains of the top panel 1 of the skeleton of/SiC lattice composite material and the outer surface of lower panel 2, then,, at 135 DEG C, top panel 1 and lower panel 2 are applied respectively to the mechanical pressure of 2MPa, solidify 6h, afterwards, put into vacuum drying oven, be evacuated to vacuum and be less than after 0.001MPa, passing into nitrogen to vacuum is 0.1MPa again, heating rate with 15 DEG C/min is warming up to 1200 DEG C from room temperature, and is incubated 30min, obtains rectangular pyramid configuration C
f/ SiC lattice composite material head product;
Nine, dipping, curing, cracking processing: by rectangular pyramid configuration C
f/ SiC lattice composite material head product is put into maceration extract that step 1 obtains under the vacuum condition that is less than 0.1MPa, and dipping 3h, puts into drying baker, at 120 DEG C of curing 3h, at 150 DEG C, solidify 3h, then, put into vacuum drying oven, be evacuated to vacuum and be less than after 0.001MPa, then to pass into nitrogen to vacuum be 0.1MPa, be warming up to 1200 DEG C with the heating rate of 15 DEG C/min from room temperature, and be incubated 30min, obtain rectangular pyramid configuration C
f/ SiC lattice composite material intermediate;
Ten, rectangular pyramid configuration C step 9 being obtained
fthe dipping of/SiC lattice composite material intermediate repeating step nine, curing, cracking processing operation, until rectangular pyramid configuration C
fwhen/SiC lattice composite material intermediate is less than 1% with respect to increasing weight before with reprocessing operation after reprocessing operation, obtain rectangular pyramid configuration C
f/ SiC lattice composite material flat board.
In this experiment in air furnace rectangular pyramid configuration C 1600 DEG C time
fthe dull and stereotyped weightening finish 15% of/SiC lattice composite material has obvious oxidative phenomena, and rectangular pyramid configuration C
fdull and stereotyped this numerical value of the bionical gradient lattice composite material of/SiC-ZrC only has 5%, illustrates that ZrC introduces the oxidation that has suppressed material.
Claims (7)
1. rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board, by top panel (1), lower panel (2) and carry out with dot matrix fuse (3) the rectangular pyramid cell element that arrangement of gradients forms form between upper and lower panel, it is characterized in that: described top panel (1) and lower panel (2) are by C
fthe plane that/SiC-ZrC composite forms, gradient dot matrix fuse (3) is by C
fthe rod member that/SiC-ZrC composite forms, the dot matrix fuse between top panel (1) and lower panel (2) is arrangement of gradients.
2. rectangular pyramid configuration C according to claim 1
fthe bionical gradient lattice composite material of/SiC-ZrC flat board, the granularity that it is characterized in that ZrC is 1.20 μ m.
3. rectangular pyramid configuration C as claimed in claim 1
fthe preparation method of the bionical gradient lattice composite material of/SiC-ZrC flat board, specifically completes according to the following steps:
One, Polycarbosilane, tetrabutyl zirconate, divinylbenzene, dimethylbenzene and oxolane are mixed, obtain maceration extract; Wherein, the mass ratio of divinylbenzene and Polycarbosilane is 0.4:1, and the mass ratio of dimethylbenzene and Polycarbosilane is 0.1:1, and the mass ratio of oxolane and Polycarbosilane is 2:1, and the mass ratio of tetrabutyl zirconate and Polycarbosilane is 1:1;
Two, in carbon cloth I, beat m capable × a n row array through-hole, the carbon cloth I that obtains getting through hole; In carbon cloth II, beat (m+1) OK × (n+1) row array through-hole, the carbon cloth II that obtains getting through hole; The through hole of getting through the 1st row the 1st row in the array through-hole in the carbon cloth I in hole is A
11, the through hole of getting through the 1st row the 2nd row in the array through-hole in the carbon cloth I in hole is A
12, by that analogy, the through hole of getting through the 1st row j row in the array through-hole in the carbon cloth I in hole is A
1j; The through hole of getting through the 2nd row the 1st row in the array through-hole in the carbon cloth I in hole is A
21, by that analogy, the through hole of getting through capable the 1st row of i in the array through-hole in the carbon cloth I in hole is A
i1, in like manner, the through hole of getting through the capable j row of i in the array through-hole in the carbon cloth I in hole is A
ij; The through hole of getting through the 1st row the 1st row in the array through-hole in the carbon cloth II in hole is B
11, the through hole of getting through the 1st row the 2nd row in the array through-hole in the carbon cloth II in hole is B
12, by that analogy, the through hole of getting through the 1st row j row in the array through-hole in the carbon cloth II in hole is B
1j; The through hole of getting through the 2nd row the 1st row in the array through-hole in the carbon cloth II in hole is B
21, by that analogy, the through hole of getting through capable the 1st row of i in the array through-hole in the carbon cloth II in hole is B
i1, the through hole of getting through the capable j row of i in the array through-hole in the carbon cloth II in hole is B
ij, the through hole of getting through (i+1) row (j+1) row in the array through-hole in the carbon cloth II in hole is B
(i+1) (j+1); Wherein, get through in the direction that the array through-hole in the carbon cloth I in hole is expert at A
(m/2+1) (n/2+1)centered by, arrange with Geometric Sequence form taking q as spacing to row both sides, the centre-to-centre spacing of getting through array through-hole every two the adjacent through holes in the direction of row in the carbon cloth I in hole all equates, each array through-hole of getting through in the carbon cloth II in hole is to determine as corresponding with every four square centers taking the through hole of square formal distribution in carbon cloth I, arranged evenly to row and column successively, wherein, get through the through hole A of hole carbon cloth I
11drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
11, B
12, B
21and B
22form foursquare in the heart, get through the through hole A of hole carbon cloth I
12drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
12, B
13, B
22and B
23form foursquare in the heart, by that analogy, get through the through hole A of hole carbon cloth I
1jdrop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
1j, B
1 (j+1), B
2jand B
2 (j+1)form foursquare in the heart, get through the through hole A of hole carbon cloth I
21drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
21, B
22, B
31and B
32form foursquare in the heart, by that analogy, get through the through hole A of hole carbon cloth I
i1drop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
i1, B
i2, B
(i+1) 1and B
(i+1) 2form foursquare in the heart, in like manner, get through the through hole A of hole carbon cloth I
ijdrop in the projection of getting through in the carbon cloth II of hole the through hole B that gets through hole carbon cloth II
ij, B
i (j+1), B
(i+1) jand B
(i+1) (j+1)form foursquare in the heart, described m>=2, n>=2, i>=1 and i≤m, j>=1 and j≤n, a is defined as getting through in the direction that the array through-hole in the carbon cloth I in hole is expert at A
(m/2+1) (n/2+1)centered by any one side arrange through-hole spacing distance, wherein a
n+1/ a
n=q, n>=1, q>1, all through holes are identical through hole footpath, and logical pore size is 1mm～3mm, and the centre-to-centre spacing of getting through array through-hole every two the adjacent through holes in the direction of row in the carbon cloth I in hole is 26mm～30mm;
Three, by the carbon cloth I of getting through hole obtaining in step 2 and the carbon cloth II of getting through hole, put into respectively maceration extract that step 1 obtains under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, obtain dipping get through hole carbon cloth I and dipping get through hole carbon cloth II;
Four, carbon fiber is put into the maceration extract that step 1 obtains, under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, then, by the carbon fiber knit bunchy after dipping, obtains the carbon fiber bundle of dipping;
Five, by dipping get through hole carbon cloth I and dipping get through the parallel placement of hole carbon cloth II, the spacing of getting through hole carbon cloth I of getting through hole carbon cloth II and dipping of dipping is 40mm～60mm, wherein, the through hole A that gets through hole carbon cloth I of dipping
11at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
11, B
12, B
21and B
22form foursquare in the heart, the through hole A that gets through hole carbon cloth I of dipping
12at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
12, B
13, B
22with B23 form foursquare in the heart, by that analogy, the through hole A that gets through hole carbon cloth I of dipping
1jat the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
1j, B
1 (j+1), B
2jand B
2 (j+1)form foursquare in the heart, the through hole A that gets through hole carbon cloth I of dipping
21at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
21, B
22, B
31and B
32form foursquare in the heart, by that analogy, the through hole A that gets through hole carbon cloth I of dipping
i1at the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
i1, B
i2, B
(i+1) 1and B
(i+1) 2form foursquare in the heart, in like manner, the through hole A that gets through hole carbon cloth I of dipping
ijat the through hole B that gets through hole carbon cloth II that gets through projection in the carbon cloth II of hole and drop on dipping of dipping
ij, B
i (j+1), B
(i+1) jand B
(i+1) (j+1)form foursquare in the heart;
The carbon fiber bundle of the dipping that six, employing step 4 obtains is as connecting material, by the dipping by placing in step 5 get through hole carbon cloth I and dipping get through hole carbon cloth II carry out " Z " word intert be connected, make the carbon fiber bundle of dipping at the rectangular pyramid cell element that forms arrangement of gradients between the carbon cloth II of hole of getting through of getting through hole carbon cloth I and dipping of dipping, obtain rectangular pyramid configuration C
fthe skeleton of the bionical gradient lattice composite material of/SiC-ZrC;
Seven, separately get carbon cloth, be cut into carbon cloth I and the equal-sized size of hole carbon cloth II in size and step 6, put into the maceration extract that step 1 obtains, under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, obtains the carbon cloth flooding;
Eight, obtain rectangular pyramid configuration C in step 6
fthe outer surface of getting through hole carbon cloth II of getting through hole carbon cloth I and dipping of the dipping of the skeleton of the bionical gradient lattice composite material of/the SiC-ZrC carbon cloth that upper step 7 obtains that tiles respectively, then, at 130 DEG C～140 DEG C, the dipping of tiling carbon cloth the outer surface of getting through hole carbon cloth II of dipping of getting through hole carbon cloth I and tiling carbon cloth apply respectively the mechanical pressure of 1MPa～3MPa, solidify 4h～8h, afterwards, put into vacuum drying oven, being evacuated to vacuum is less than after 0.001MPa, passing into nitrogen to vacuum is 0.05MPa～0.1MPa again, heating rate with 10 DEG C/min～20 DEG C/min is warming up to 1100 DEG C～1300 DEG C from room temperature, and be incubated 10min～60min, obtain rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC head product,
Nine, dipping, curing, cracking processing: by rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC head product is put into maceration extract that step 1 obtains under the vacuum condition that is less than 0.1MPa, dipping 2h～5h, put into drying baker, at 110 DEG C～160 DEG C, solidify 4h～8h, then, put into vacuum drying oven, being evacuated to vacuum is less than after 0.001MPa, passing into nitrogen to vacuum is 0.05MPa～0.1MPa again, heating rate with 10 DEG C/min～20 DEG C/min is warming up to 1100 DEG C～1300 DEG C from room temperature, and is incubated 10min～60min, obtains rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC intermediate;
Ten, rectangular pyramid configuration C step 9 being obtained
fthe dipping of the bionical gradient lattice composite material of/SiC-ZrC intermediate repeating step nine, curing, cracking processing operation, until rectangular pyramid configuration C
fwhen the bionical gradient lattice composite material of/SiC-ZrC intermediate is less than 1% with respect to increasing weight before with reprocessing operation after reprocessing operation, obtain rectangular pyramid configuration C
fthe bionical gradient lattice composite material of/SiC-ZrC flat board.
4. rectangular pyramid configuration C according to claim 3
fthe preparation method of the bionical gradient lattice composite material of/SiC-ZrC flat board, is characterized in that the molecular weight of the Polycarbosilane in described step 1 is 1000～1500.
5. rectangular pyramid configuration C according to claim 3
fthe preparation method of the bionical gradient lattice composite material of/SiC-ZrC flat board, is characterized in that interspersed connection of " Z " word in step 6, specifically completes according to the following steps:
A) choose the 1st row of getting through hole carbon cloth I of dipping and the 1st row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
11, from the through hole B that gets through hole carbon cloth II of dipping
11pass, from through hole B
12penetrate, from through hole A
11pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
12, from the through hole B that gets through hole carbon cloth II of dipping
12pass, from through hole B
13penetrate, from through hole A
12pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
1j, from the through hole B that gets through hole carbon cloth II of dipping
1jpass, from through hole B
1 (j+1)penetrate, from through hole A
1jpass, until the carbon fiber bundle of dipping is all connected all through holes in the 1st row of getting through hole carbon cloth II of the 1st row of getting through hole carbon cloth I of dipping and dipping; Choose the 1st row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
11, from the through hole B that gets through hole carbon cloth II of dipping
21pass, from through hole B
22penetrate, from through hole A
11pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
12, from the through hole B that gets through hole carbon cloth II of dipping
22pass, from through hole B
23penetrate, from through hole A
12pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
1j, from the through hole B that gets through hole carbon cloth II of dipping
2jpass, from through hole B
2 (j+1)penetrate, from through hole A
1jpass, until the carbon fiber bundle of dipping is all connected all through holes in the 2nd row of getting through hole carbon cloth II of the 1st row of getting through hole carbon cloth I of dipping and dipping; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form first row rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping;
B) choose the 2nd row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
21, from the through hole B that gets through hole carbon cloth II of dipping
21pass, from through hole B
22penetrate, from through hole A
21pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
22, from the through hole B that gets through hole carbon cloth II of dipping
22pass, from through hole B
23penetrate, from through hole A
22pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
2j, from the through hole B that gets through hole carbon cloth II of dipping
2jpass, from through hole B
2 (j+1)penetrate, from through hole A
2jpass, until all through holes in the 2nd row of getting through hole carbon cloth I of dipping and the 2nd row of getting through hole carbon cloth II of dipping are all connected with the carbon fiber bundle of dipping; Choose the 2nd row of getting through hole carbon cloth I of dipping and the 3rd row of getting through hole carbon cloth II of dipping, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
21, from the through hole B that gets through hole carbon cloth II of dipping
31pass, from through hole B
32penetrate, from through hole A
21pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
22, from the through hole B that gets through hole carbon cloth II of dipping
32pass, from through hole B
33penetrate, from through hole A
22pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
2j, from the through hole B that gets through hole carbon cloth II of dipping
3jpass, from through hole B
3 (j+1)penetrate, from through hole A
2jpass, until the carbon fiber bundle of dipping is all connected all through holes in the 2nd row of getting through hole carbon cloth II of the 1st row of getting through hole carbon cloth I of dipping and dipping; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form second row rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping;
C) analogize according to the interspersed method of attachment of step a) and step b), the i that the gets through hole carbon cloth I i that gets through hole carbon cloth II capable and dipping that chooses dipping is capable, and the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
i1, from the through hole B that gets through hole carbon cloth II of dipping
i1pass, from through hole B
i2penetrate, from through hole A
i1pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
i2, from the through hole B that gets through hole carbon cloth II of dipping
i2pass, from through hole B
i3penetrate, from through hole A
i2pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
ij, get through hole carbon cloth II through hole B from dipping
ijpass, from through hole B
i (j+1)penetrate, from through hole A
ijpass, until the carbon fiber bundle of dipping is all connected all through holes in capable the i that the gets through hole carbon cloth I i that gets through hole carbon cloth II capable and dipping of dipping; Choose (i+1) that get through hole carbon cloth II of the capable and dipping of the i that gets through hole carbon cloth I of dipping OK, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
i1, from the through hole B that gets through hole carbon cloth II of dipping
(i+1) 1pass, from through hole B
(i+1) 2penetrate, from through hole A
i1pass, form a leg-of-mutton loop, then the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
i2, from the through hole B that gets through hole carbon cloth II of dipping
(i+1) 2pass, from through hole B
(i+1) 3penetrate, from through hole A
i2pass, form again a leg-of-mutton loop, by that analogy, the carbon fiber bundle of dipping is penetrated to through hole A from getting through the carbon cloth I of hole of dipping
ij, from the through hole B that gets through hole carbon cloth II of dipping
(i+1) jpass, from through hole B
(i+1) (j+1)penetrate, from through hole A
ijpass, until by the carbon fiber bundle of dipping by dipping the i that gets through hole carbon cloth I capable with dipping get through hole carbon cloth II (i+1) row in all through holes be all connected; After above-mentioned steps is interted and connected, can between the carbon cloth II of hole, form i row rectangular pyramid cell element the getting through of hole carbon cloth I and dipping of getting through of dipping; By that analogy, until, by dipping get through hole carbon cloth I and dipping get through through holes all in the carbon cloth II of hole all impregnated carbon fiber bundle intert and be connected, completed interspersed connection.
6. rectangular pyramid configuration C according to claim 3
fthe preparation method of the bionical gradient lattice composite material of/SiC-ZrC flat board, is characterized in that the drying baker of putting in step 9, at 120 DEG C, solidifies after 2h～4h, at 150 DEG C, solidifies 2h～4h again.
7. rectangular pyramid configuration C according to claim 3
fthe preparation method of the bionical gradient lattice composite material of/SiC-ZrC flat board, is characterized in that step 9, puts into vacuum drying oven, be evacuated to vacuum and be less than 0.001MPa, passing into nitrogen to vacuum is 0.08MPa, is warming up to 11200 DEG C, and is incubated 20min with the heating rate of 12 DEG C/min from room temperature.
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| CN114641200A (en) * | 2022-04-02 | 2022-06-17 | 四川农业大学 | Nitrogen-doped microwave absorbing material and preparation method thereof |
| CN114956843A (en) * | 2022-05-25 | 2022-08-30 | 西安鑫垚陶瓷复合材料有限公司 | Preparation method of ceramic matrix composite material light lattice structure |
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| CN114641200B (en) * | 2022-04-02 | 2023-05-05 | 四川农业大学 | Nitrogen-doped microwave absorbing material and preparation method thereof |
| CN114956843A (en) * | 2022-05-25 | 2022-08-30 | 西安鑫垚陶瓷复合材料有限公司 | Preparation method of ceramic matrix composite material light lattice structure |
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